Remaining Time 52 minutes, 11 and Questo complain San Questions (You need to submit a scanned copy of your solution paper for this question 7 90 kgh of a madure of water and ethanol is fed to a distillation column. The more fed consists of 10% by nebo The overhead vapor was found to contain 85 wt% ethanol, and the leaving the from the bottom www. The content the streams. The reflex stream is recycled back to the column and the dinilaterais collected The liquid from the bottom anders boiler that has two outlets the vapor stream is recyced to the column and the dreams colected as to It is known that 80% of the mixture fed goes to the overhead stream. 5% of the amount of ethanol fod is collected in the bottom stream a. Drww and label the process flow sheet (5 marks) b. Calculate the NDF for each control volume you can skip the pine condenser. You need to explain on the scanned copy how you found ch. NOE and you need to arter the values NDES here in the system. (15 marks) c. Calculate the mass fow rate of the bottoms stream, the mass flow rate of the distifatn" and the man flow rate of the refux' You need to enter your free here he system and they should match with your scanned copy (1 mark) (time management: 20 min) for the toolbar, press ALT F10 PC) or ALT.FN-F10 (Mac BIUS Paragraph Ara 10px TE 1. Xota b) A + ORO POWER 2